United States, Texas, Kerr, Bank of Guadalupe River, shoreline of island at Louise Hays Park, ca. 2000-2500 ft. NW of (upstream from) St. Rt. 16 bridge in downtown Kerrville, ca. 200-3-- ft. downstream from next bridge upstream. Kerrville Quadrangle.
30.04028 -99.14806
Tall perennial with showy blue rays. Occasional in moist silty clay on unshaded to partly shaded bank of Guadalupe river.